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Abstract #2413

A modular RF coil platform for ex-vivo imaging of brain slices at 9.4T

Shubharthi Sengupta1, Francisco J Fritz1, Ron Hellenbrand2, René Finger2, Christopher J Wiggins3, and Alard Roebroeck1

1Dept. of Cognitive Neuroscience, Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, Netherlands, 2Lab Engineering & Instrumentation Department, Maastricht University, Netherlands, 3Scannexus, Maastricht, Netherlands

We present a modular 9.4T RF coil platform that can be used for imaging slabs of tissue as large as a sagittal section of a human brain (dia. 18cm), with a thickness of up to 2cm. The 23-channel receive array was designed with a layered printed circuit approach to ensure the coils’ decoupling and proximity to the sample and with on-coil, low-noise preamplifier circuits. A 7 channel, phased transmit array capable of parallel transmission (pTx) makes homogeneous excitation of a large range of samples possible. The high homogeneous contrast-to-noise acquisitions enabled by the coil will allow high resolution anatomical imaging at 9.4T.

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